import java.util.InputMismatchException;
import java.util.Scanner;

public class GuessNumber {
        public static void main(String [] args) {

            System.out.println("欢迎来到猜数字！");
            while (true) {
                int answer = (int)(Math.random()*100 + 1);
                Scanner scan = new Scanner(System.in);
                int chances = 7;
                int guess;
                while (chances > 0) {
                    System.out.println("请猜一个1-100之间的整数，含1和100，你还有" + chances + "次机会：");
                    try {
                        guess= scan.nextInt();
                    }catch (InputMismatchException e){
                        System.out.println("请输入数字！");
                        scan.next();
                        continue;
                    }


                    if (guess > answer) {
                        System.out.println("大了！");
                    } else if (guess < answer) {
                        System.out.println("小了！");
                    } else {
                        System.out.println("恭喜你！猜对啦！");
                        break;
                    }
                    chances = chances - 1;
                }
                System.out.println("再玩一次吗？（y/n）");
                String again = scan.next();
                if (!again.equalsIgnoreCase("y")) {
                    break;
                }
            }
        }
}
